Make ediff offer to create files it's inferring

* lisp/vc/ediff-ptch.el (ediff-fixup-patch-map): Offer to create
the inferred file name (if it doesn't exist) (bug#8009).  This allows
applying a patch that creates a file.

diff --git a/lisp/vc/ediff-ptch.el b/lisp/vc/ediff-ptch.el
index 08640fcece9c8bbeee4e80d98d9d5e039e57696d..580d48880bd7006faf837a75db99d63212369cde 100644 (file)
--- a/lisp/vc/ediff-ptch.el
+++ b/lisp/vc/ediff-ptch.el
@@ -465,6 +465,9 @@ are two possible targets for this %spatch.  However, these files do not exist."
                                     file1 file2 (if multi-patch-p "multi-" ""))))
                    (princ "
 \nPlease enter an alternative patch target ...\n"))
+                  (when (and (string= file1 file2)
+                             (y-or-n-p (format "Create %s?" file1)))
+                    (write-region (point-min) (point-min) file1))
                  (let ((directory t)
                        target)
                    (while directory